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| Need help selecting graphical LCD and controller http://forum.lcdinfo.com/viewtopic.php?f=6&t=2541 |
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| Author: | Marq87gt [ Fri Nov 07, 2008 1:50 ] |
| Post subject: | Need help selecting graphical LCD and controller |
Hey guys...... My name is Marq and I am new to LCD's. I have a few questions for you about selecting a LCD for my application. I am wanting to replace the gauges in my car with two LCD's and plan on running them with a Atmega2560 micro-controller. I am planning on copying a similar kit that is currently available (LCDash) but plan on running two LCD's as I said before and would like to use larger LCD's than they did. I am currently trying to decide which LCD/controller I should get option 1: RA-8835 Controller http://www.newhavendisplay.com/index.cfm/page/ptype=product/product_id=270/category_id=95/home_id=60/mode=prod/prd270.htm option2: S1D13700 Controller http://www.crystalfontz.com/product/CFAG320240K-TMI-TZ.html Questions: How important is the viewing angle? Option 1 is the only LCD I could find with a 12 O'clock viewing angle. Because of its placement in the car I will always be looking down on the screens. I am wanting to use as much code as I can from the LCDash project but they currently use a 240x128 LCD with the T6963 controller. When picking a new controller for the larger LCD should I worry about which controller I pick (meaning should I try to get on as similar as possible to the T6963)? According to CrystalFontz here are some of the differences between the two controllers: See page 3 of this PDF S1D3700 has 2 bits per pixel grayscale, Busy bit accessible through a physical pin, and has a wider operating voltage range. Which controller would you suggest getting? Will having the grayscale be that much of an advantage? I am only planning on displaying numbers, letters and gauges. What about the back lighting? Which type works better in the sunlight.... LED or CCFL? Anything else I should consider when picking a LCD? What about other LCD's.... do you know of a better one that would fit my application? Thanks for your help, -Marq |
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